MODIFICATION OF REINFORCING FIBER TOWS USED IN COMPOSITE MATERIALS BY USING NANOREINFORCEMENTS

• US 20090176112A1
• Filed: 05/01/2007
• Published: 07/09/2009
• Est. Priority Date: 05/02/2006
• Status: Active Grant

• Current Assignee: Goodrich Corporation (Rtx Corporation), ROHR Incorporated (Rtx Corporation)
• Original Assignee: Goodrich Corporation (Rtx Corporation), ROHR Incorporated (Rtx Corporation)
• Inventors: Hill, Valerie A., Kruckenberg, Teresa M.
• Granted Patent: US 7,832,983 B2
• Time in Patent Office: Days
• US Class Current: 428/457
• CPC Class Codes: B29C 70/081 Combinations of fibres of continuous or substantial length and short fibres
• CPC Class Codes: B29K 2105/124 Nanofibers
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: C04B 2235/407 Copper
• CPC Class Codes: C04B 2235/425 Graphite
• CPC Class Codes: C04B 2235/483 Si-containing organic compounds, e.g. silicone resins, (poly)silanes, (poly)siloxanes or (poly)silazanes
• CPC Class Codes: C04B 2235/524 Non-oxidic, e.g. borides, carbides, silicides or nitrides
• CPC Class Codes: C04B 2235/5256 Two-dimensional, e.g. woven structures
• CPC Class Codes: C04B 2235/5268 Orientation of the fibers
• CPC Class Codes: C04B 2235/5288 Carbon nanotubes
• CPC Class Codes: C04B 35/62842 Metals
• CPC Class Codes: C04B 35/62876 with metals
• CPC Class Codes: C04B 35/76 Fibres, filaments, whiskers, platelets, or the like
• CPC Class Codes: C04B 35/83 Carbon fibres in a carbon matrix
• CPC Class Codes: D06M 11/74 with carbon or graphite; with carbides; with graphitic acids or their salts
• CPC Class Codes: D06M 2101/40 Fibres of carbon
• CPC Class Codes: D06M 2200/00 Functionality of the treatment composition and/or properties imparted to the textile material
• CPC Class Codes: D06M 23/06 Processes in which the treating agent is dispersed in a gas, e.g. aerosols aerosol compositions C09K3/30
• CPC Class Codes: D06M 23/08 Processes in which the treating agent is applied in powder or granular form adhesives for multi-layer textile fabrics D06M17/00
• CPC Class Codes: Y10S 977/75 Single-walled
• CPC Class Codes: Y10T 428/249928 : Fiber embedded in a ceramic, glass, or carbon matrix
• CPC Class Codes: Y10T 428/31678 : Of metal

Abstract

This invention is directed to nacelles and nacelle components for use in aircraft engines. The nacelles and components comprise composite material containing carbon fiber. The carbon fiber comprises from 0.1 to 20 percent by weight nanoreinforcement material.

Claims

1-67. -67. (canceled)

68. A nacelle or nacelle component for use in aircraft engines and comprising a composite material including carbon fibers, wherein the carbon fibers comprise from 0.1 to 20 percent by weight nanoreinforcement material.

69. A nacelle or nacelle component according to claim 68 wherein the carbon fibers comprise from 2 to 8 percent by weight of the nanoreinforcement material.

70. A nacelle or nacelle component according to claim 68 wherein the nanoreinforcement material is selected from the group consisting of carbon nanotubes, carbon nanofibers, graphene sheets, nanowires, nanoparticles of elements, nanoparticles of binary compounds, nanoparticles of complex compounds and combinations thereof.

71. A nacelle or nacelle component according to claim 68 wherein at least a portion of the nanoreinforcement material is sized.

72. A nacelle or nacelle component according to claim 68 wherein at least a portion of the nanoreinforcement material is metallic coated.

73. A nacelle or nacelle component according to claim 68 wherein at least a portion of the nanoreinforcement material is thermoplastic coated.

74. A nacelle or nacelle component according to claim 68 wherein the nanoreinforcement material comprises carbon nanotubes.

75. A nacelle or nacelle component according to claim 68 wherein the composite material further includes other fibers comprising glass fibers, aramid fibers, or polymer fibers.

76. A nacelle or nacelle component according to claim 75 wherein the carbon fibers and the other fibers are bundled to form a tow or a yarn.

77. A nacelle or nacelle component according to claim 76 wherein the carbon fibers, the other fibers, or both the carbon fibers and the other fibers are sized.

78. A nacelle or nacelle component according to claim 76 wherein the nanoreinforcement material is aligned within the tow or the yarn.